Seiko Cal. 3840 - 732

The Seiko 3840-732 represents an important milestone in Seiko's 1981 lineup. Powered by the 3840 caliber with 21j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-46ecda9a8097]

Also known as: Sportsmatic, Flighty

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

36mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1981

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